china vs qin

china

noun
  • A kind of drum cymbal approximating a Chinese style of cymbal, but usually with Turkish influences. 

  • Synonym of porcelain, a hard white translucent ceramic made from kaolin, now (chiefly US) sometimes distinguished in reference to tableware as fine or good china. 

  • Synonym of China rose, in its various senses. 

  • Chinaware: porcelain tableware. 

  • Synonym of China root, the root of Smilax china (particularly) as a medicine. 

  • Synonym of mate (rhyme of china-plate). 

qin

noun
  • Any of several traditional Chinese musical instruments, most commonly the seven-stringed instrument more specifically called the guqin. 

How often have the words china and qin occurred in a corpus of books? (source: Google Ngram Viewer )